JP2018124968A5 - - Google Patents
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- JP2018124968A5 JP2018124968A5 JP2017167619A JP2017167619A JP2018124968A5 JP 2018124968 A5 JP2018124968 A5 JP 2018124968A5 JP 2017167619 A JP2017167619 A JP 2017167619A JP 2017167619 A JP2017167619 A JP 2017167619A JP 2018124968 A5 JP2018124968 A5 JP 2018124968A5
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- 238000003672 processing method Methods 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000000875 corresponding Effects 0.000 claims 2
Claims (9)
前記入力画像における前記入力画素の位置を、第１の画素位置計算により、出力画像における第１の画素位置に変換する、第１の計算部と、
前記出力画像における第１の画素位置の近傍の出力画素の位置を、第２の画素位置計算により、前記入力画像における第２の画素位置に変換する、第２の計算部と、
前記第２の画素位置の画素値を、前記入力画像における周囲の画素からの補間により算出する画素補間部と、
を備える画像処理装置。 An image processing apparatus in which a plurality of input pixels constituting an input image are input in raster scan order,
A first calculator that converts the position of the input pixel in the input image to a first pixel position in the output image by a first pixel position calculation;
A second calculation unit that converts a position of an output pixel in the vicinity of the first pixel position in the output image into a second pixel position in the input image by a second pixel position calculation;
A pixel interpolation unit that calculates a pixel value of the second pixel position by interpolation from surrounding pixels in the input image;
An image processing apparatus comprising:
前記第２の画素位置計算は、前記第１の画素位置計算の逆関数を用いて行うこと、
を特徴とする、請求項１又は請求項２に記載の画像処理装置。 The first pixel position calculation is a function using a polynomial, or a grid table conversion, or a combination of a function using the polynomial and the grid table conversion;
The second pixel position calculation is performed using an inverse function of the first pixel position calculation;
The image processing apparatus according to claim 1, wherein:
ひとつの前記色画素を用いて算出された、前記第１の画素位置、または、前記第２の画素位置を、他の前記色画素の前記第２の画素位置に変換する、第３の計算部を更に備えることを特徴とする、請求項１乃至請求項３のいずれか一項に記載の画像処理装置。 The input pixel has a plurality of color pixels,
A third calculation unit that converts the first pixel position or the second pixel position calculated by using one color pixel into the second pixel position of another color pixel. The image processing apparatus according to claim 1, further comprising:
前記入力画素の位置を、画素位置計算により出力画像における第１の画素位置に変換し、
前記出力画像における前記第１の画素位置近傍の出力画素の位置を、前記画素位置計算の逆関数を用いて、第２の画素位置に変換し、
前記第２の画素位置の画素値を、前記入力画像における周囲の画素からの補間により算出し、
前記補間により画素値を算出した順に、前記第２の画素位置の画素値を出力することを特徴とする、画像処理方法。 Input the input pixels that make up the input image in raster scan order,
Converting the position of the input pixel to a first pixel position in the output image by pixel position calculation;
Converting the position of the output pixel in the vicinity of the first pixel position in the output image to a second pixel position using an inverse function of the pixel position calculation;
Calculating a pixel value of the second pixel position by interpolation from surrounding pixels in the input image;
An image processing method, comprising: outputting pixel values at the second pixel position in the order in which pixel values are calculated by the interpolation.
前記ピラミッド画像における第３の画素位置の近傍の出力画素の位置を、前記所定のスケール値と前記第２の画素位置計算により、前記入力画像における第４の画素位置に変換する、第５の計算部と、を更に備え、
前記画素補間部は、前記第２の画素位置の画素値と、前記第４の画素位置の画素値とを、前記入力画像における周囲の画素からの補間により算出することを特徴とする、請求項１乃至請求項３のいずれか一項に記載の画像処理装置。 A fourth calculation unit that converts the first pixel position in the output image into a third pixel position in the pyramid image of the output image using a predetermined scale value;
A fifth calculation that converts the position of the output pixel in the vicinity of the third pixel position in the pyramid image to the fourth pixel position in the input image by the predetermined scale value and the second pixel position calculation. And further comprising,
The pixel interpolation unit calculates a pixel value at the second pixel position and a pixel value at the fourth pixel position by interpolation from surrounding pixels in the input image. The image processing apparatus according to any one of claims 1 to 3.
ひとつの前記色画素を用いて算出された、前記第１の画素位置、または、前記第２の画素位置を、他の前記色画素の前記第２の画素位置に変換し、ひとつの前記色画素を用いて算出された、前記第３の画素位置、または、前記第４の画素位置を、他の前記色画素の前記第４の画素位置に変換する、第６の計算部を更に備えることを特徴とする、請求項７又は請求項８に記載の画像処理装置。 The input pixel has a plurality of color pixels,
The first pixel position or the second pixel position calculated using one color pixel is converted into the second pixel position of the other color pixel, and one color pixel is obtained. A third calculation unit that converts the third pixel position or the fourth pixel position calculated by using the fourth pixel position of the other color pixel. The image processing apparatus according to claim 7, wherein the image processing apparatus is characterized.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810037967.5A CN108364249A (en) | 2017-01-27 | 2018-01-16 | Image processing apparatus and image processing method |
| EP18153397.7A EP3355267A1 (en) | 2017-01-27 | 2018-01-25 | Image processing device and image processing method for radial distortion correction |
| US15/880,573 US10659746B2 (en) | 2017-01-27 | 2018-01-26 | Image processing device and image processing method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017012870 | 2017-01-27 | ||
| JP2017012870 | 2017-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2018124968A JP2018124968A (en) | 2018-08-09 |
| JP2018124968A5 true JP2018124968A5 (en) | 2019-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| JP2017167619A Pending JP2018124968A (en) | 2017-01-27 | 2017-08-31 | Image processing apparatus and image processing method |
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| JP (1) | JP2018124968A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7170478B2 (en) * | 2018-09-18 | 2022-11-14 | 株式会社東芝 | Image processing device, image processing method and image processing program |
| JP7210337B2 (en) * | 2019-03-14 | 2023-01-23 | 株式会社東芝 | Image processing device and distortion correction coefficient calculation method |
| JP7404201B2 (en) | 2020-09-11 | 2023-12-25 | 株式会社東芝 | Image processing device and image processing method |
| JP7419204B2 (en) | 2020-09-18 | 2024-01-22 | 株式会社東芝 | Image processing device |
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- 2017-08-31 JP JP2017167619A patent/JP2018124968A/en active Pending
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